<merror>
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since January 2023.
The <merror> MathML element is used to display contents as error messages. The intent of this element is to provide a standard way for programs that generate MathML from other input to report syntax errors.
Attributes
This element accepts the global MathML attributes.
Examples
In the following example, <merror> is used to indicate a parsing error for some LaTeX-like input:
html
<math display="block"> <mfrac> <merror> <mtext>Syntax error: \frac{1}</mtext> </merror> <mn>3</mn> </mfrac> </math> Technical summary
| Implicit ARIA role | None |
|---|
Specifications
| Specification |
|---|
| MathML Core # error-message-merror |